MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ba26a99c0daf9cd1d6184533264786fb0841fa9c0aa0ed9c6edc5cafa398ae4c. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry

AsyncRAT

Vendor detections: 14

Intelligence 14 IOCs YARA 13 File information Comments 1

SHA256 hash:	ba26a99c0daf9cd1d6184533264786fb0841fa9c0aa0ed9c6edc5cafa398ae4c
SHA3-384 hash:	e65a2032c992283515372ec6221c37da8bf0dd9232e8cd86d4e32e7754ae28b85b73392320a5c08622af46f56018ca11
SHA1 hash:	c04e99492c4ea06dd2e56f3f91ea224682b8462b
MD5 hash:	a93233b10537a2cc3d9d1fd07845a2fb
humanhash:	fish-one-white-neptune
File name:	a93233b10537a2cc3d9d1fd07845a2fb
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	64'512 bytes
First seen:	2024-04-22 07:03:11 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'076 x AgentTesla, 20'039 x Formbook, 12'353 x SnakeKeylogger)
ssdeep	1536:5hjExLDRwQuNMXbmaeWs1l7a8QeRmGbbcw0bgT7G3tpqKmY7:5hjExLDRwQuNMXbreFlBQe4Gbbch2z
TLSH	T19F536C002798C965E1AD4AF8ACF2950106B1C5772106DB5E7CC814DBAB9FFCA4A133EF
TrID	60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.8% (.SCR) Windows screen saver (13097/50/3) 8.7% (.EXE) Win64 Executable (generic) (10523/12/4) 5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter	zbetcheckin
Tags:	32 AsyncRAT exe

Intelligence

File Origin

# of uploads :

# of downloads :

324

Origin country :

Vendor Threat Intelligence

Malware family:

asyncrat

ID:

File name:

http://77.221.151.42/files/Test.exe

Verdict:

Malicious activity

Analysis date:

2024-04-23 00:25:07 UTC

Tags:

rat asyncrat remote

Link:

https://app.any.run/tasks/e77cdfe0-25b9-4407-a441-47e087353904

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Connection attempt

Sending a custom TCP request

Using the Windows Management Instrumentation requests

Launching a process

Moving a file to the Program Files subdirectory

Replacing files

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-debug anti-vm configsecuritypolicy evasive hacktool lolbin mpcmdrun msconfig njrat rat regedit schtasks

Link:

https://www.filescan.io/uploads/66260be447bfd8641eb23900/reports/6e9cfbdb-3763-4d7d-9dbd-93789a1b8627/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/ba26a99c0daf9cd1d6184533264786fb0841fa9c0aa0ed9c6edc5cafa398ae4c

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/854d99fe-806f-4747-9308-7f61b2a959e0

Result

Threat name:

AsyncRAT, DcRat

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1429486

Signature

Antivirus / Scanner detection for submitted sample

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Snort IDS alert for network traffic

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Yara detected AsyncRAT

Yara detected DcRat

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/ba26a99c0daf9cd1d6184533264786fb0841fa9c0aa0ed9c6edc5cafa398ae4c

Detection:

dcrat

Link:

https://mwdb.cert.pl/sample/ba26a99c0daf9cd1d6184533264786fb0841fa9c0aa0ed9c6edc5cafa398ae4c/

Threat name:

ByteCode-MSIL.Backdoor.AsyncRAT

Status:

Malicious

First seen:

2024-04-21 23:27:51 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 24 (91.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=xitkthanv6ondvqyiuzsmr4g7meed6u4bkqo3hdo3rok7i4yvzga._file

Verdict:

malicious

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:default rat

Link:

https://tria.ge/reports/240422-hvxv3sgh7z/

Behaviour

Suspicious use of AdjustPrivilegeToken

AsyncRat

Malware Config

C2 Extraction:

103.249.112.118:8848

Unpacked files

SH256 hash:

ba26a99c0daf9cd1d6184533264786fb0841fa9c0aa0ed9c6edc5cafa398ae4c

MD5 hash:

a93233b10537a2cc3d9d1fd07845a2fb

SHA1 hash:

c04e99492c4ea06dd2e56f3f91ea224682b8462b

Detections:

DCRat

AsyncRAT

INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice

INDICATOR_SUSPICIOUS_EXE_DcRatBy

Link:

https://www.unpac.me/results/744e1b25-a779-48d3-a10e-41b1651770cb/

Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:	INDICATOR_SUSPICIOUS_EXE_DcRatBy Create hunting rule
Author:	ditekSHen
Description:	Detects executables containing the string DcRatBy

Rule name:	INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice Create hunting rule
Author:	ditekSHen
Description:	Detects executables attemping to enumerate video devices using WMI

Rule name:	MAL_AsnycRAT Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects AsnycRAT based on it's config decryption routine

Rule name:	MAL_AsyncRAT_Config_Decryption Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects AsnycRAT based on it's config decryption routine

Rule name:	Multifamily_RAT_Detection Create hunting rule
Author:	Lucas Acha (http://www.lukeacha.com)
Description:	Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	Njrat Create hunting rule
Author:	botherder https://github.com/botherder
Description:	Njrat

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	SUSP_DOTNET_PE_List_AV Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detecs .NET Binary that lists installed AVs

Rule name:	Windows_Generic_Threat_ce98c4bc Create hunting rule
Author:	Elastic Security

Rule name:	win_asyncrat_unobfuscated Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AsyncRAT

exe ba26a99c0daf9cd1d6184533264786fb0841fa9c0aa0ed9c6edc5cafa398ae4c

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2821516/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

Comments

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zbet commented on 2024-04-22 07:03:13 UTC

url : hxxp://77.221.151.42/files/Test.exe